. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. 3° ANGOISPERMAE—DICOTYLEDONES Herm. Miiller saw 3 humble-bees in the Alps, and gives the following list for Westphaha.— A. Diptera. (a) Empidae: i. Em pis opaca F., skg., extraordinaril)' numerous. (V) Muscidae: 2. Echinomyia fera Z., repeated!)', skg. [c) Syrphidae: 3. Eristalis arbustorum Z., in very great numbers, skg.; 4. E. horticola Deg., one, skg.; 5. E. intricarius Z., do.; 6. Rhingia rostrata Z., freq., skg. B. Hymenoptera. Apidae: 7. Andrena atrice
. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. 3° ANGOISPERMAE—DICOTYLEDONES Herm. Miiller saw 3 humble-bees in the Alps, and gives the following list for Westphaha.— A. Diptera. (a) Empidae: i. Em pis opaca F., skg., extraordinaril)' numerous. (V) Muscidae: 2. Echinomyia fera Z., repeated!)', skg. [c) Syrphidae: 3. Eristalis arbustorum Z., in very great numbers, skg.; 4. E. horticola Deg., one, skg.; 5. E. intricarius Z., do.; 6. Rhingia rostrata Z., freq., skg. B. Hymenoptera. Apidae: 7. Andrena atriceps K. i, skg.; 8. A. fulva Schr. 5, skg.; 9. A. gwynana A'. 5, skg.; 10. A. nigroaenea K. 5 and S, skg.; 11. A. pilipes F. S, skg.; 12. Apis mellifica Z. 5, freq., skg.; 13. Bombus agrorum F. 5, skg.; 14. B. confusus Schenck 5, skg.; 15. B. horiorum Z. ^, skg.; 16. B. sylvarum Z. 5, skg.; 17. B. pratorum Z. 5, skg.; 18. B. terrester Z. 5, in large numbers, skg.; ig. Collates cunicularius Z. 5, skg.; 20. Halictus cylindricus Z'. 5, skg.; 21. H. flavipes Zl 5, skg.; 22. H. rubicundus Chr. 5, skg.; 23. H. sexnotatus K. $, skg.; 24. H. sexstrigatus Schenck 5, skg.; 25. H. zonulus 6'7«. 5, one, skg.; 26. Nomada ferruginata K. 5, skg.; 27. N. ruficornis Z. 5, skg.; 28. N. sexcincta K. S, skg.; 29. N. succincta Pz. 5, one, skg.; 30. Osmia rufa Z. 5, skg.; 31. Psithyrus campestris Pz. 5, skg.; 32. P. vestalis Fourcr. $, do. C. Lepidoptera. Rhopalocera : 33. Lycaena argiolus Z., skg.; 34. Thecla rubi Z., do. The following were recorded by the observers, and for the localities stated.— Knuth (North Frisian Islands), Apis, a humble-bee, and a hover-fiy. Loew (on the Albula, in the Alps), 2 humble-bees (Bombus alpinus Z. }, and B. alticola Krchb. 5) and a hover-fly (Sericomyia lapponaZ.). Frey (canton Graubiinden), the Tortricid moth Phoxopteryx myrtillana Tr. Schneider (Arctic Norway), 3 humble-bees— I. Bombus lapponicus F.; 2. B. pratorum Z.; 3. B. scrimshiranus K. (Troms&
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